CVE-2026-27243Disclosure(adobe / connect)

LOWCVSS 9.3 · CRITICAL

Signal is active with 2 mentions in latest observed window

Immediate actions

Patch adobe connect systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

adobe CVEs Back to dashboard

1.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://helpx.adobe.com/security/products/connect/apsb26-37.html

Weakness type (CWE)

CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

connect
connect_desktop_application
macos
windows

Threat summary

Patch or workaround signal is available
5 mentions across 2 observed days
Momentum state: stable

What's happening

Patch or workaround mentioned in 3 signals
Technical details provided in 5 signals
Disclosure: 3 classified signals
Peaked 1d ago at 3 mentions (2026-04-14); latest day: 2
5 total mentions across 2 days

Affected systems

Vendors

adobe apple microsoft

Products

connectconnect_desktop_applicationmacoswindows

1 version affected across 4 products

Deep dive

Activity timeline5 mentions / 2d

Signal classification2 categories

Disclosure

360.0%

Patch

240.0%

Referenced assets10 URLs

By indicator

Classification over time

Date	Total	Labels

2026-04-14	3	Disclosure2Patch1
2026-04-15	2	Disclosure1Patch1

Full discourse5 posts

にゃん☆たく/takumi.a@taku888infinity177d
Patch
ぱっちちゅーずでー ◆ Microsoft 2026 年 4 月のセキュリティ更新プログラム (月例) https://www.microsoft.com/en-us/msrc/blog/2026/04/202604-security-update CVE-2026-33825 Microsoft Defender の特権の昇格の脆弱性 CVE-2026-32201 Microsoft SharePoint Server のなりすましの脆弱性 ◆Fortinet https://fortiguard.fortinet.com/psirt ・FG-IR-26-100 / CVE-2026-39808 FortiSandbox 4.4系のAPIにある OSコマンドインジェクション。細工したリクエストを受けると、認証なしで任意コードや任意コマンドを実行される恐れがあります。外部公開や到達可能性がある環境では、優先度高めでの確認が必要です。・FG-IR-26-112 / CVE-2026-39813 FortiSandbox のJRPC APIにあるパストラバーサル起因の認証回避・権限昇格。特別に細工したHTTPリクエストで未認証のまま認証をバイパスし、権限を引き上げられる可能性があるため、管理API露出環境では特に注意が必要です。・FG-IR-26-121 / CVE-2026-22828 FortiAnalyzer Cloud / FortiManager Cloud の oftpd にあるヒープベースのバッファオーバーフロー。細工したリクエストにより、リモートの未認証攻撃者が任意コードやコマンド実行に至る可能性がありますが、悪用にはASLRや分離構成を踏まえた準備が必要です。 ◆Ivanti https://www.ivanti.com/blog/april-2026-security-update https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Neurons-for-ITSM-CVE-2026-4913-CVE-2026-4… ◆Adobe（Criticalで任意のコード実行のみ抽出） https://helpx.adobe.com/security.html ・Adobe ColdFusion（APSB26-38） CVE-2026-27304, CVE-2026-27306 入力検証不備により、任意のコード実行につながる脆弱性・Adobe Connect（APSB26-37） CVE: CVE-2026-27302, CVE-2026-27303, CVE-2026-27243, CVE-2026-27245, CVE-2026-27246, CVE-2026-34615 デシリアライズ不備や XSS を起点に、任意のコード実行が可能となる脆弱性・Adobe FrameMaker（APSB26-36） CVE: CVE-2026-27290, CVE-2026-27292, CVE-2026-27293, CVE-2026-27294, CVE-2026-27295, CVE-2026-27296, CVE-2026-27297, CVE-2026-27298 任意のコード実行につながる脆弱性群・Adobe Bridge（APSB26-39） CVE: CVE-2026-34630, CVE-2026-27310, CVE-2026-27311, CVE-2026-27312, CVE-2026-27313 複数のヒープベース・バッファオーバーフローにより、任意のコード実行が可能になる脆弱性・Adobe Photoshop（APSB26-40） CVE: CVE-2026-27289 境界外読み取りにより、任意のコード実行につながる脆弱性・Adobe Illustrator（APSB26-42） CVE: CVE-2026-34618 境界外書き込みにより、任意のコード実行につながる脆弱性 ◆SAP SAP Security Patch Day - April 2026 https://support.sap.com/en/my-support/knowledge-base/security-notes-news/april-2026.html CVE-2026-27681 https://www.cve.org/CVERecord?id=CVE-2026-27681 『（直訳）SAP Business Planning and ConsolidationおよびSAP Business Warehouseにおける認証チェックの不備により、認証済みのユーザーが細工されたSQL文を実行してデータベースデータを読み取り、変更、削除できる脆弱性が存在します。これは、システムの機密性、完全性、可用性に重大な影響を及ぼします。』
Post summary
This bulletin lists newly disclosed CVEs across several vendors and directs readers to their patch releases, emphasizing the need to apply the provided security updates.
000321.4K
11.7K followersView on X
Orizon@OrizonCyber177d
Patch
🚨 CVE-2026-27243 — CVSS 9.3/10 █████████░ Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability.... Severity: CRITICAL Patch now. #cybersecurity #CVE https://t.co/eg0pC1l3Z1
Post summary
Adobe Connect has a critical reflected XSS vulnerability (CVE‑2026‑27243) with a CVSS score of 9.3, and a patch is now available.
1001151
23 followersView on X
0day Signal@0dayPublishing177d
Disclosure
🚨 CVE-2026-27243: Adobe Connect | Cross-site Scrip... Adobe Connect's reflected XSS with scope change hits 9.3 CVSS - enterprise meeting rooms are now perfect phishing launc... https://zerodaysignal.com/vulnerability/CVE-2026-27243 #netsec #vulnerability #CVE #sysadmin #zeroday
Post summary
The post discloses a high‑scoring reflected XSS vulnerability (CVE‑2026‑27243) in Adobe Connect, highlighting its potential for phishing via enterprise meeting rooms.
0001073
218 followersView on X
CVE@CVEnew176d
Disclosure
CVE-2026-27243 Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to … https://www.cve.org/CVERecord?id=CVE-2026-27243
Post summary
A reflected XSS vulnerability (CVE‑2026‑27243) affects Adobe Connect versions 2025.3, 12.10 and earlier; the note provides technical details but no PoC, exploit, patch, or active exploitation evidence.
0000071
57.2K followersView on X
Kaitan ID Security@KaitanSecurity177d
Disclosure
🚨 CRITICAL — CVE-2026-27243 Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. … CVSS 9.3 🔴 No patch yet Full analysis → https://sec.kaitan.id/cves/CVE-2026-27243 #Adobe #CyberSecurity #InfoSec
Post summary
Adobe Connect CVE-2026-27243 is a critical reflected XSS affecting multiple versions, with no patch available yet.
000000
144 followersView on X

CPE platform detail5 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

5 of 5 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	adobe	connect	-	-	-
App	adobe	connect_desktop_application	-	macos	-
App	adobe	connect_desktop_application	-	windows	-
OS	apple	macos	-	-	-
OS	microsoft	windows	-	-	-

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What researchers are saying

CVE-2026-27243

にゃん☆たく/takumi.a[verified]@taku888infinityPatch

This bulletin lists newly disclosed CVEs across several vendors and directs readers to their patch releases, emphasizing the need to apply the provided security updates.

Orizon[verified]@OrizonCyberPatch

Adobe Connect has a critical reflected XSS vulnerability (CVE‑2026‑27243) with a CVSS score of 9.3, and a patch is now available.

Kaitan ID Security[verified]@KaitanSecurityDisclosure

Adobe Connect CVE-2026-27243 is a critical reflected XSS affecting multiple versions, with no patch available yet.

0day Signal@0dayPublishingDisclosure

The post discloses a high‑scoring reflected XSS vulnerability (CVE‑2026‑27243) in Adobe Connect, highlighting its potential for phishing via enterprise meeting rooms.

CVE@CVEnewDisclosure

A reflected XSS vulnerability (CVE‑2026‑27243) affects Adobe Connect versions 2025.3, 12.10 and earlier; the note provides technical details but no PoC, exploit, patch, or active exploitation evidence.